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Cheap flights from Toronto to Louisville from C$ 307

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Louisville

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Louisville
Explore the most affordable flight options available from Toronto to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Sat 5/94:16 p.m. -
1 stop5h 43m
Sat 12/96:20 a.m. -
1 stop4h 53m
Deal found 11/8C$ 546
Sat 5/911:40 a.m. -
1 stop8h 02m
Sat 12/96:00 p.m. -
1 stop5h 59m
Deal found 10/8C$ 548
Sat 19/96:30 a.m. -
1 stop7h 13m
Tue 22/94:48 p.m. -
1 stop4h 55m
Deal found 12/8C$ 551
Sat 26/99:45 a.m. -
1 stop6h 59m
Sat 3/1011:04 a.m. -
1 stop6h 15m
Deal found 12/8C$ 558
Sun 11/106:33 p.m. -
1 stop5h 26m
Sat 17/108:05 a.m. -
1 stop9h 13m
Deal found 9/8C$ 565
Fri 23/101:00 p.m. -
1 stop6h 11m
Sun 25/1010:37 a.m. -
1 stop6h 10m
Deal found 12/8C$ 573
Mon 14/1212:25 p.m. -
1 stop4h 29m
Tue 15/125:58 p.m. -
1 stop5h 43m
Deal found 11/8C$ 574
Sun 18/106:00 a.m. -
1 stop3h 57m
Wed 21/108:05 a.m. -
1 stop9h 13m
Deal found 10/8C$ 576
Thu 8/1011:38 a.m. -
1 stop8h 57m
Mon 12/108:05 a.m. -
1 stop9h 13m
Deal found 12/8C$ 581
Fri 9/107:24 p.m. -
1 stop4h 44m
Mon 12/106:00 a.m. -
1 stop5h 59m
Deal found 12/8C$ 587
Thu 19/116:15 a.m. -
1 stop5h 41m
Mon 23/117:50 a.m. -
1 stop5h 43m
Deal found 11/8C$ 591
Thu 19/1112:20 p.m. -
1 stop8h 09m
Mon 23/1111:39 a.m. -
2 stops31h 41m
Deal found 11/8C$ 632

Find flight deals from Toronto to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 August 2026.

Round-trip from

C$ 546

One-way from

C$ 307

Popular in

October

Cheapest in

May

Average price

C$ 821
American Airlines
  • American Airlines
  • 5/9-12/9
  • 2 total stops
  • 10h 36m total
  • Toronto to Louisville
Search Deals
27/8
  • 27/8
  • 1 total stop
  • 27h 19m total
  • Toronto to Louisville
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 53 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 August 2026.
Use the filters below to find and compare flights from Toronto to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 5/9

4:16 p.m.-9:59 p.m.

1 stop5h 43m

Louisville Intl

Sat 12/9

6:20 a.m.-11:13 a.m.

1 stop4h 53m

C$ 546

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Tue 8/9

1:34 p.m.-7:30 p.m.

1 stop5h 56m

Louisville Intl

Sat 19/9

8:09 a.m.-5:19 p.m.

1 stop9h 10m

C$ 548

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 5/9

11:40 a.m.-7:42 p.m.

1 stop8h 02m

Louisville Intl

Sat 12/9

6:00 p.m.-11:59 p.m.

1 stop5h 59m

C$ 548

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 19/9

6:30 a.m.-1:43 p.m.

1 stop7h 13m

Louisville Intl

Tue 22/9

4:48 p.m.-9:43 p.m.

1 stop4h 55m

C$ 551

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sat 26/9

9:45 a.m.-4:44 p.m.

1 stop6h 59m

Louisville Intl

Sat 3/10

11:04 a.m.-5:19 p.m.

1 stop6h 15m

C$ 558

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sun 11/10

6:33 p.m.-11:59 p.m.

1 stop5h 26m

Louisville Intl

Sat 17/10

8:05 a.m.-5:18 p.m.

1 stop9h 13m

C$ 565

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Fri 23/10

1:00 p.m.-7:11 p.m.

1 stop6h 11m

Louisville Intl

Sun 25/10

10:37 a.m.-4:47 p.m.

1 stop6h 10m

C$ 573
Quickest round-trip

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Mon 14/12

12:25 p.m.-4:54 p.m.

1 stop4h 29m

Louisville Intl

Tue 15/12

5:58 p.m.-11:41 p.m.

1 stop5h 43m

C$ 574

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Tue 13/10

6:15 a.m.-12:54 p.m.

1 stop6h 39m

Louisville Intl

Fri 16/10

11:50 a.m.-9:17 p.m.

1 stop9h 27m

C$ 574

TorontoLouisville

YYZ Toronto Pearson Intl - SDF Louisville Intl

YYZSDF

Toronto Pearson Intl

Sun 18/10

6:00 a.m.-9:57 a.m.

1 stop3h 57m

Louisville Intl

Wed 21/10

8:05 a.m.-5:18 p.m.

1 stop9h 13m

C$ 576

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
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Best time to book a flight from Toronto to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Louisville

What is the cheapest month to book a flight from Toronto to Louisville?

Currently, September is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 625). Flying from Toronto to Louisville in January is currently the most expensive (average of C$ 1,008). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top layover airport for flights from Toronto to Louisville?

Share of one-stop round-trip flights from Toronto to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 58% of one-stop itineraries from Toronto to Louisville on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Louisville?

Average round-trip fare for 1-stop flights from Toronto to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of C$ 677.

What’s the fastest layover option from Toronto to Louisville?

Shortest average travel time for 1-stop one-way flights from Toronto to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 3h 29m.

Which airport typically offers the quickest layover for flights from Toronto to Louisville?

Average layover duration for 1-stop one-way flights from Toronto to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 0h 49m.

Related info for your journey

Find useful and relevant information for your journey from Toronto to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Toronto?

    Louisville Intl (SDF) is the airport you will fly into if you book a flight from Toronto to Louisville. You should not have trouble finding flights to Louisville Intl from Toronto; the airport handles an average of 0 inbound flights from Toronto per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Louisville airport from Toronto. It is only a 8.5 km journey from Louisville Intl (SDF) to Louisville’s city centre.

  • How long is the flight from Toronto to Louisville?

    Departing from Toronto to Louisville will take you 5h 43m. Toronto and Louisville are separated by a distance of 798 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Toronto to Louisville round-trip?

    Flying on American Airlines is currently your cheapest option to Louisville, with prices starting at C$ 544. Additional round-trip tickets that might be worth considering are offered by United Airlines and WestJet, with the lowest prices starting at C$ 624 and C$ 683, respectively. American Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Toronto to Louisville that include hotel bookings?

    Yes. In addition to deals on Toronto to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Louisville.

  • Can I find deals for business class flights from Toronto to Louisville?

    Yes. Cheapflights offers flight deals from Toronto to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Toronto to Louisville?

    Currently, September is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 625). Flying from Toronto to Louisville in January is currently the most expensive (average of C$ 1,008). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Toronto to Louisville

Discover the top 3 airlines that operate flights from Toronto to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 14 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 544AverageC$ 828FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 624AverageC$ 719FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 683AverageC$ 807FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to Louisville?

Deals for Toronto to Louisville flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Louisville?

Cheapflights helps you find that perfect flight to Louisville from Toronto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Toronto to Louisville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to Louisville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto to Louisville become cheaper?

Not ready to book yet? You can track prices for flights from Toronto to Louisville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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